Question

How do you FOIL `(c^2 + 1) (c^2 + 2)`?

Answer 1

FOIL stands for first, outer, inner, last, which represents the order of multiplication of the terms in parentheses. Multiply the terms in the order indicated and add the results.

Explanation:

`(c^2+1)(c^2+2)` =

`c^4+2c^2+c^2+2` =

`c^4+3c^2+2`